The weather in September in Portugal

It's hot in September in Portugal with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 23°C and 23°C.

Looking for sun? September isn’t a good month to be in Portugal. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Portugal, Nicaragua. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2023, Portugal reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 26°C.

Rainfall amount

In September, there is an average of 372 mm of precipitation, spread over 26 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Portugal

Click on any day in September to get detailed info about the usual weather on that day in Portugal. Check out the historical temperatures and precipitation over the past 10 years on this day.

1

32° / 23°

2

32° / 23°

3

31° / 23°

4

32° / 23°

5

32° / 23°

6

32° / 23°

7

32° / 23°

8

32° / 23°

9

32° / 23°

10

31° / 23°

11

32° / 23°

12

31° / 23°

13

32° / 23°

14

32° / 23°

15

31° / 23°

16

32° / 23°

17

32° / 23°

18

32° / 23°

19

32° / 23°

20

31° / 23°

21

32° / 23°

22

32° / 23°

23

31° / 23°

24

30° / 23°

25

31° / 23°

26

32° / 23°

27

32° / 23°

28

32° / 23°

29

32° / 23°

30

32° / 23°

Start of September

The month of September starts in Portugal with hot temps, averaging around 32°C during the day and nights around 23°C.

Mid September

By mid-September, daytime temps stay steady at around 32°C, with nights around 23°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Portugal is around 32°C, while nighttime temps are about 23°C. There’s a significant chance of many days with precipitation.

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Portugal runs from June to November.

Check out the climate of Portugal for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Portugal, Nicaragua. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Portugal

Temperature in September in Portugal over the years

Precipitation charts

These charts show the average amount of precipitation in September in Portugal, Nicaragua. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Portugal

Total precipitation in September in Portugal over the years

Daily UV index in September in Portugal

This chart shows the average daily UV index in September in Portugal, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Have you been to Portugal in September?

Share your weather experience in September in Portugal.

Average weather in Portugal by month

Click on a month below to see detailed weather info for Portugal. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.